Prof. Dr.-Ing. Christoph Gehlen

2024 |E. Krakovska, D. Briels, A. Straßer, T. Kränkel, T. Auer, C. Gehlen, P. D´Acunto, K. Dörfler: Functionally Hybridised Lightweight Concrete Components: Monolithic Building Construction Using Selective Paste Intrusion Digital Concrete 2024, 2024, https://doi.org/10.1007/978-3-031-70031-6_41

2024 | A. Straßer, D. Briels, T. Kränkel, C. Gehlen, T. Auer: Selective Paste Intrusion – An Additive Manufacturing Technique to produce customized Building Components with enhanced Thermal Insulating Performance HiPerMat 2024, 2024, https://doi.org/10.17170/kobra-202402059519

2025 | A.Straßer, F.Riegger, T. Kränkel, C. Gehlen: Additive Manufacturing of Steel-Reinforced Concrete by Combination of Selective Paste Intrusion and Wire Arc Additive Manufacturing: Impact of Heat Generated by WAAM on Bond Behavior of the Reinforcement Materials, 2025, https://doi.org/10.3390/ma18235455

Data |Zenodo, 2025, https://doi.org/10.5281/zenodo.16562375

2024 | A.Straßer, A. Haynack, T. Kränkel, C. Gehlen: Additive manufacturing by the selective paste intrusion: Effect of the distance of the print nozzle to the particle bed on the print quality Construction and Building Materials, Volume 449, 2024, https://doi.org/10.1016/j.conbuildmat.2024.138274

Data |Zenodo, 2024, https://doi.org/10.1016/j.conbuildmat.2024.138274

2024 | C. Thiel, C.M. Hechtl, C. Gehlen, T. Kränkel: Sustainability Potential of Additive Manufactured Concrete Structures – Studies on the Life Cycle Assessment and Circularity of an Extruded Exterior Wall Proceedings of the Fourth RILEM International Conference on Concrete and Digital Fabrication, DC 2024, RILEM Bookseries, vol. 53, Springer, Cham, 2024. https://doi.org/10.1007/978-3-031-70031-6_2

2023 | A. Straßer, F. Riegger, L.D Hamilton, T. Kraenkel, C. Gehlen, M.F. Zaeh, A. Kwade: Selective Paste Intrusion: Integration of reinforcement by WAAM — Concept and current research with special attention to cooling strategies. Construction and Building Materials 2023, 406, 133236.
https://doi.org/10.1016/j.conbuildmat.2023.133236

2023 | K. Tischner, S. Rappl, F. Riegger, A. Strasser, K. Osterminski, T. Kraenkel, S. Baehr, M.F. Zaeh, C. Gehlen: Bond Behavior of WAAM Reinforcements in Comparison to Conventional Steel Reinforcements. In: Constr. Mater. 2023, 3, 217–232.
https://doi.org/10.3390/constrmater3020014

2023 | A. Straßer, T. Kränkel. C. Gehlen: Integrating Wire Arc Additive Manufacturing into Selective Paste Intrusion for Reinforced Concrete Elements: Effect of Temperature on the Mechanical Performance. In: ibausil 2023

2023 | A. Straßer, A. Haynack, T. Kränkel, C. Gehlen: Additive Manufacturing by the Selective Paste Intrusion Method: Effect of the Distance of the Print NozzIe to the Particle bed on the Print Quality. In: Preprints 2023, 2023030236.
https://doi.org/10.20944/preprints202303.0236.v1

2022 | Straßer, A.; Weger, D.; Matthäus, Carla; Kränkel, T.; Gehlen, C.: Combining Wire and Arc Additive Manufacturing and Selective Paste Intrusion for Additively Manufactured Structural Concrete. In: Visions and Strategies for Reinforcing Additively Manufactured Concrete Structures 61-72 (2022)

2022 | Straßer, A.; Matthäus, Carla; Weger, D.; Kränkel, T.; Gehlen, C.: Selective Paste Intrusion: Stability of Cement Paste Mixtures Towards Changing Ambient Temperature. In: Third RILEM International Conference 296–301 (2022)

2022 | Lowke, D.; Gehlen, C.; Kloft, H.; Freund, N.; Matthäus, C.: Bewehrungskonzepte beim 3D-Druck von Konstruktionsbeton. In: BfT International, 02.2021, S. 92.

2022 | Lowke, D.; Mai, I.; Keita, E.; Perrot, A.; Weger, D.; Gehlen, C.; Herding, F.; Zuo, Wenqiang; Roussel, N.: Material-process interactions in particle bed 3D printing and the underlying physics. In: Cement and Concrete Research, CCR 156 (106748), 2022
https://doi.org/10.1016/j.cemconres.2022.106748

2021 | Lowke, D.; Gehlen, C.; Kloft, H.; Freund, N.; Matthäus, C.: Bewehrungskonzepte beim 3D-Druck von Konstruktionsbeton. In: BfT International, 02.2021, S. 92, 2021.

2021 | Alaimo, G.; Carraturo, M.; Korshunova, N.; Kollmannsberger, S.: Numerical evaluation of high cycle fatigue life for additively manufactured stainless steel 316L lattice structures. In: Material Design and Processing Communication 3 (4), pp. e249, Wiley, 2021. – DOI: 10.1002/mdp2.249.

2021 | Gehlen, C.; Lowke, D.; Weger, D.; Dreßler, I.: Dauerhaftigkeit – Potenzial additiver Fertigung und Performance im Vergleich zu konventioneller Fertigung. In: BfT International, 02.2021, S. 94, 2021.

2021 | Weger, D.; Pierre, A.; Perrot, A.; Kränkel, T.; Lowke, D.; Gehlen, C.: Penetration of Cement Pastes into Particle-Beds: A Comparison of Penetration Models. In: Materials 2021, 14, 389. – DOI: https://doi.org/10.3390/ma14020389.

2021 | Weger, D.; Gehlen, C.: Particle-Bed Binding by Selective Paste Intrusion—Strength and Durability of Printed Fine-Grain Concrete Members. In: Materials 2021, 14, 586. – DOI: doi.org/10.3390/ma14030586.

2021 | Kloft, H., Gehlen, C., Dörfler, K., Hack, N., Henke, K., Lowke, D., Mainka, J. and Raatz, A. (2021), TRR 277: Additive Fertigung im Bauwesen. In: Bautechnik, 98: 222-231. – DOI: https://doi.org/10.1002/bate.202000113.

2020 | Matthäus, C.; Kofler, N.; Kränkel, T.; Weger, D.; Gehlen, C.: Interlayer Reinforcement Combined with Fiber Reinforcement for Extruded Lightweight Mortar Elements. In: Materials 2020, 13, 4778, 2020. – DOI: https://doi.org/10.3390/ma13214778.

2020 | Weger, D.; Baier, D.; Straßer, A.; Prottung, S.; Kränkel, T.; Bachmann, A.; Gehlen, C.; Zäh, M.: Reinforced Particle-Bed Printing by Combination of the Selective Paste Intrusion Method with Wire and Arc Additive Manufacturing – A First Feasibility Study. In: RILEM Bookseries 28, pp. 978–987, 2020. – DOI: https://doi.org/10.1007/978-3-030-49916-7_95.

2020 | Lowke, D.; Talke, D.; Dreßler, I.; Weger, D.; Gehlen, C.; Ostertag, C.; Rael, R.: Particle bed 3D printing by selective cement activation – Applications, material and process technology. In: Cement and Concrete Research 134,2020. – DOI: https://doi.org/10.1016/j.cemconres.2020.106077.